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• • W

    Wyvern_64 replied to the thread '93 Wrangler YJ 4.0 doesn't start: turns over, good spark, 40 psi at fuel rail.

    New crankshaft position sensor fixed it. Thanks for the ideas and advice everyone.

    Jan 21, 2023
  • W

    Wyvern_64 posted the thread '93 Wrangler YJ 4.0 doesn't start: turns over, good spark, 40 psi at fuel rail in YJ General Discussion.

    Hi all, I have a '93 Wrangler YJ 4.0L (automatic transmission), and I'd like help diagnosing it. Here's what I've observed so far: I...

    Jan 9, 2023

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